American Superconductor (NASDAQ:AMSC) reported quarterly earnings of $0.13 per share which beat the analyst consensus estimate of $0.10 by 30 percent. This is a 160 percent increase over earnings of $0.05 per share from the same period last year. The company reported quarterly sales of $66.70 million which beat the analyst consensus estimate of $60.27 million by 10.67 percent. This is a 58.70 percent increase over sales of $42.03 million the same period last year.